Propane, 2-methyl-2-(1-methylethoxy)-

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Gas phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-85.5 ± 0.6kcal/molCcbSmutny and Bondi, 1961Heat of combustion corrected for pressure

Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-93.9 ± 0.6kcal/molCcbSmutny and Bondi, 1961Heat of combustion corrected for pressure
Quantity Value Units Method Reference Comment
Δcliquid-1110.97 ± 0.66kcal/molCcbSmutny and Bondi, 1961Heat of combustion corrected for pressure; Corresponding Δfliquid = -93.91 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil360.8KN/AWeast and Grasselli, 1989BS
Tboil360.7KN/AMajer and Svoboda, 1985 
Tboil360.8KN/AOlson, Hipsher, et al., 1947Uncertainty assigned by TRC = 0.5 K; TRC
Tboil360.8KN/ANorris and Rigby, 1932Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Tfus185.08KN/AOlson, Hipsher, et al., 1947Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δvap8.286kcal/molN/AMajer and Svoboda, 1985 
Δvap8.65kcal/molCGCVerevkin, Krasnykh, et al., 2003See also Verevkin, 2002 and Verevkin, Krasnykh, et al., 2003.; AC
Δvap8.2 ± 0.1kcal/molEBVarushchenko, Pashchenko, et al., 2002Based on data from 305. to 360. K.; AC
Δvap8.25 ± 0.05kcal/molCVarushchenko, Pashchenko, et al., 2002See also Dorofeeva, Yungman, et al., 2004.; AC
Δvap8.40kcal/molVSmutny and Bondi, 1961Heat of combustion corrected for pressure; ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.29360.7N/AMajer and Svoboda, 1985 
8.13322.EBKraehenbuehl and Gmehling, 1994Based on data from 307. to 360. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
2.02184.8Varushchenko, Druzhinina, et al., 2001See also Dorofeeva, Yungman, et al., 2004.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

1-Propene, 2-methyl- + Isopropyl Alcohol = Propane, 2-methyl-2-(1-methylethoxy)-

By formula: C4H8 + C3H8O = C7H16O

Quantity Value Units Method Reference Comment
Δr-5.47 ± 0.31kcal/molEqkCalderon, Tejero, et al., 1997liquid phase
Δr-5.19 ± 0.38kcal/molCmSola, Pericas, et al., 1997liquid phase

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
Proton affinity (review)208.1kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity201.1kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.20PEAue and Bowers, 1979Vertical value; LLK

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Smutny and Bondi, 1961
Smutny, E.J.; Bondi, A., Di-t-butyl ether: Strain energy and physical properties, J. Phys. Chem., 1961, 65, 546-550. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Olson, Hipsher, et al., 1947
Olson, W.T.; Hipsher, H.F.; Buess, C.M.; Goodman, I.A.; Hart, I.; Lamneck, J.H.; Gibbons, L.C., The Synthesis and Purification of Ethers, J. Am. Chem. Soc., 1947, 69, 2451-4. [all data]

Norris and Rigby, 1932
Norris, J.F.; Rigby, G.W., Reactivity of Atoms and Groups in Organic Compounds XII. The Preparation and Properties of Mixed Aliphatic Ethers with Special Reference to those Containing the Tert-Butyl Radical, J. Am. Chem. Soc., 1932, 54, 2088. [all data]

Verevkin, Krasnykh, et al., 2003
Verevkin, Sergey P.; Krasnykh, Eugen L.; Vasiltsova, Tatiana V.; Heintz, Andreas, Determination of Ambient Temperature Vapor Pressures and Vaporization Enthalpies of Branched Ethers, J. Chem. Eng. Data, 2003, 48, 3, 591-599, https://doi.org/10.1021/je0255980 . [all data]

Verevkin, 2002
Verevkin, Sergey P., Improved Benson Increments for the Estimation of Standard Enthalpies of Formation and Enthalpies of Vaporization of Alkyl Ethers, Acetals, Ketals, and Ortho Esters, J. Chem. Eng. Data, 2002, 47, 5, 1071-1097, https://doi.org/10.1021/je020023o . [all data]

Varushchenko, Pashchenko, et al., 2002
Varushchenko, R.M.; Pashchenko, L.L.; Druzhinina, A.I.; Churkina, A.Yu.; Vorob'ev, I.I.; Kravchun, S.N., Zh. Fiz. Khim., 2002, 76, 4, 632. [all data]

Dorofeeva, Yungman, et al., 2004
Dorofeeva, O.V.; Yungman, V.S.; Varushchenko, R.M.; Druzhinina, A.I., Ideal Gas Thermodynamic Properties of Propyl tert-Butyl Ethers from Density Functional Theory Results Combined with Experimental Data, International Journal of Thermophysics, 2004, 25, 4, 1097-1113, https://doi.org/10.1023/B:IJOT.0000038503.77644.a4 . [all data]

Kraehenbuehl and Gmehling, 1994
Kraehenbuehl, M.A.; Gmehling, J., Vapor Pressures of Methyl tert-Butyl Ether, Ethyl tert-Butyl Ether, Isopropyl tert-Butyl Ether, tert-Amyl Methyl Ether, and tert-Amyl Ethyl Ether, J. Chem. Eng. Data, 1994, 39, 4, 759-762, https://doi.org/10.1021/je00016a026 . [all data]

Varushchenko, Druzhinina, et al., 2001
Varushchenko, R.M.; Druzhinina, A.I.; Churkina, A.Yu.; Zhi, C.-T., Zh. Fiz. Khim., 2001, 75, 8, 1351. [all data]

Calderon, Tejero, et al., 1997
Calderon, A.; Tejero, J.; Izuierdo, J.F.; Iborra, M.; Cunill, F., Equilibrium Constants for the liquid-phase synthesis of isopropyl tert-butyl ether from 2-propanol and isobutene, Ind. Eng. Chem. Res., 1997, 36, 896-902. [all data]

Sola, Pericas, et al., 1997
Sola, L.; Pericas, M.A.; Cunill, F.; Izquierdo, J.F., A comparative thermodynamic and kinetic study of the reaction between olefins and light alcohols leading to branced ethers. Reaction calorimetry study of the formation of tert-amyl methyl ether (TAME) and tert-butyl isopropyl ether (IPTBE), Ind. Eng. Chem. Res., 1997, 36, 2012-2018. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T., Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References